Fire Sprinkler Protection: sprinkler_head
Fire sprinkler K-factors, coverage areas, fire resistance assembly ratings, and clean/suppression agent properties — per NFPA 13, NFPA 2001, NFPA 12, UL Fire Resistance Directory, ACI 216.1
| record type | record id | coverage area ft2 (ft2) | deflector type | flow at min pressure gpm (gal/min) | k factor (gpm/psi^0.5) | max spacing ft (ft) | min pressure psi (psi) | notes | orifice size in (in) | orifice size mm (mm) | response type | subcategory | temperature rating C | temperature rating F (degF) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| sprinkler_head | K11.2_155F_QR_pendent | 130 | pendent | 29.6 | 11.2 | 15 | 7 | K11.2 QR pendent; improved suppression performance; for light/ordinary hazard at higher design densities | 0.625 | 15.9 | quick_response | sprinkler_head | 68 | 155 |
| sprinkler_head | K11.2_155F_pendent | 100 | pendent | 29.6 | 11.2 | 15 | 7 | K11.2; extra hazard/storage; Q=11.2*sqrt(7)=29.6 gpm; required for storage density ≥0.34 gpm/ft2; NFPA 13 12.2.3 | 0.625 | 15.9 | standard | sprinkler_head | 68 | 155 |
| sprinkler_head | K11.2_175F_pendent | 100 | pendent | 29.6 | 11.2 | 15 | 7 | K11.2 High temp; storage/extra hazard applications | 0.625 | 15.9 | standard | sprinkler_head | 79 | 175 |
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